Home / 25,974,427.20-38,961,640.80-10,839,220.80

Finding the Fourth Proportional to 25,974,427.20, 38,961,640.80 and 10,839,220.80

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Solution

The fourth proportional to 25,974,427.20, 38,961,640.80 and 10,839,220.80 is: 16,258,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974,427.20 : 38,961,640.80 = 10,839,220.80 : x
  2. Step 2: Convert to fraction form
    25,974,427.20/38,961,640.80 = 10,839,220.80/x
  3. Step 3: Cross multiply
    25,974,427.20x = 38,961,640.80 × 10,839,220.80
  4. Step 4: Simplify right side
    25,974,427.20x = 422,313,827,361,488.62
  5. Step 5: Solve for x
    x = 422,313,827,361,488.62/25,974,427.20
  6. Step 6: Final answer
    x = 16,258,831.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.